WO1995016259A1 - A noise reduction system and device, and a mobile radio station - Google Patents
A noise reduction system and device, and a mobile radio station Download PDFInfo
- Publication number
- WO1995016259A1 WO1995016259A1 PCT/IB1994/000377 IB9400377W WO9516259A1 WO 1995016259 A1 WO1995016259 A1 WO 1995016259A1 IB 9400377 W IB9400377 W IB 9400377W WO 9516259 A1 WO9516259 A1 WO 9516259A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- speech
- combined
- cross power
- power spectrum
- noise
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
- G10L21/00—Processing of the speech or voice signal to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
- G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
- G10L21/0208—Noise filtering
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
- G10L21/00—Processing of the speech or voice signal to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
- G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
- G10L21/0208—Noise filtering
- G10L21/0216—Noise filtering characterised by the method used for estimating noise
- G10L2021/02161—Number of inputs available containing the signal or the noise to be suppressed
- G10L2021/02166—Microphone arrays; Beamforming
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE69420705T DE69420705T2 (en) | 1993-12-06 | 1994-12-01 | SYSTEM AND DEVICE FOR NOISE REDUCTION AND MOBILE RADIO |
KR1019950703325A KR100316116B1 (en) | 1993-12-06 | 1994-12-01 | Noise reduction systems and devices, mobile radio stations |
JP51607095A JP3565226B2 (en) | 1993-12-06 | 1994-12-01 | Noise reduction system, noise reduction device, and mobile radio station including the device |
EP95900251A EP0682801B1 (en) | 1993-12-06 | 1994-12-01 | A noise reduction system and device, and a mobile radio station |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP93203421.8 | 1993-12-06 | ||
EP93203421 | 1993-12-06 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1995016259A1 true WO1995016259A1 (en) | 1995-06-15 |
Family
ID=8214198
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/IB1994/000377 WO1995016259A1 (en) | 1993-12-06 | 1994-12-01 | A noise reduction system and device, and a mobile radio station |
Country Status (7)
Country | Link |
---|---|
US (1) | US5610991A (en) |
EP (1) | EP0682801B1 (en) |
JP (1) | JP3565226B2 (en) |
KR (1) | KR100316116B1 (en) |
DE (1) | DE69420705T2 (en) |
SG (1) | SG49334A1 (en) |
WO (1) | WO1995016259A1 (en) |
Cited By (12)
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WO1997022116A2 (en) * | 1995-12-12 | 1997-06-19 | Nokia Mobile Phones Limited | A noise suppressor and method for suppressing background noise in noisy speech, and a mobile station |
WO1997023068A2 (en) * | 1995-12-15 | 1997-06-26 | Philips Electronic N.V. | An adaptive noise cancelling arrangement, a noise reduction system and a transceiver |
WO1998003965A1 (en) * | 1996-07-19 | 1998-01-29 | Daimler-Benz Ag | Method of reducing voice signal interference |
EP0822538A1 (en) * | 1996-07-30 | 1998-02-04 | Atr Human Information Processing Research Laboratories | Method of transforming periodic signal using smoothed spectrogram, method of transforming sound using phasing component and method of analyzing signal using optimum interpolation function |
DE19747885A1 (en) * | 1997-10-30 | 1999-05-06 | Daimler Chrysler Ag | Process for the reduction of acoustic signal interference using the adaptive filter method of spectral subtraction |
WO1999027522A2 (en) * | 1997-11-22 | 1999-06-03 | Koninklijke Philips Electronics N.V. | Audio processing arrangement with multiple sources |
EP0998720A2 (en) * | 1997-07-31 | 2000-05-10 | The Regents Of The University Of California | Apparatus and methods for image and signal processing |
WO2003067922A2 (en) | 2002-02-05 | 2003-08-14 | Mh Acoustics, Llc | Reducing noise in audio systems |
WO2004032347A1 (en) * | 2002-08-28 | 2004-04-15 | Agency For Science Technology And Research | Receiver having a signal reconstructing section for noise reduction, system and method thereof |
US8218694B2 (en) | 2004-08-03 | 2012-07-10 | Agency For Science, Technology And Research | Method for transmitting a digital signal, method for receiving a digital signal, transmitter and receiver |
US8942387B2 (en) | 2002-02-05 | 2015-01-27 | Mh Acoustics Llc | Noise-reducing directional microphone array |
US11696083B2 (en) | 2020-10-21 | 2023-07-04 | Mh Acoustics, Llc | In-situ calibration of microphone arrays |
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JP3453898B2 (en) * | 1995-02-17 | 2003-10-06 | ソニー株式会社 | Method and apparatus for reducing noise of audio signal |
US5737433A (en) * | 1996-01-16 | 1998-04-07 | Gardner; William A. | Sound environment control apparatus |
US5774562A (en) * | 1996-03-25 | 1998-06-30 | Nippon Telegraph And Telephone Corp. | Method and apparatus for dereverberation |
US6072881A (en) * | 1996-07-08 | 2000-06-06 | Chiefs Voice Incorporated | Microphone noise rejection system |
WO1998030062A2 (en) * | 1996-12-25 | 1998-07-09 | Kondratiev Andrei Valentinovic | Method for converting electric signals into sound waves and device for realising the same |
US6192134B1 (en) * | 1997-11-20 | 2001-02-20 | Conexant Systems, Inc. | System and method for a monolithic directional microphone array |
FR2771542B1 (en) * | 1997-11-21 | 2000-02-11 | Sextant Avionique | FREQUENTIAL FILTERING METHOD APPLIED TO NOISE NOISE OF SOUND SIGNALS USING A WIENER FILTER |
US6415253B1 (en) * | 1998-02-20 | 2002-07-02 | Meta-C Corporation | Method and apparatus for enhancing noise-corrupted speech |
AU721270B2 (en) * | 1998-03-30 | 2000-06-29 | Mitsubishi Denki Kabushiki Kaisha | Noise reduction apparatus and noise reduction method |
US6549586B2 (en) | 1999-04-12 | 2003-04-15 | Telefonaktiebolaget L M Ericsson | System and method for dual microphone signal noise reduction using spectral subtraction |
US7209567B1 (en) | 1998-07-09 | 2007-04-24 | Purdue Research Foundation | Communication system with adaptive noise suppression |
US6999541B1 (en) * | 1998-11-13 | 2006-02-14 | Bitwave Pte Ltd. | Signal processing apparatus and method |
KR20000033530A (en) * | 1998-11-24 | 2000-06-15 | 김영환 | Car noise removing method using voice section detection and spectrum subtraction |
US6591234B1 (en) | 1999-01-07 | 2003-07-08 | Tellabs Operations, Inc. | Method and apparatus for adaptively suppressing noise |
US6463414B1 (en) * | 1999-04-12 | 2002-10-08 | Conexant Systems, Inc. | Conference bridge processing of speech in a packet network environment |
DE19955156A1 (en) * | 1999-11-17 | 2001-06-21 | Univ Karlsruhe | Method and device for suppressing an interference signal component in the output signal of a sound transducer means |
CN1830026B (en) * | 2001-01-30 | 2011-06-15 | 汤姆森特许公司 | Geometric source preparation signal processing technique |
US7617099B2 (en) * | 2001-02-12 | 2009-11-10 | FortMedia Inc. | Noise suppression by two-channel tandem spectrum modification for speech signal in an automobile |
US7206418B2 (en) * | 2001-02-12 | 2007-04-17 | Fortemedia, Inc. | Noise suppression for a wireless communication device |
DE10137348A1 (en) * | 2001-07-31 | 2003-02-20 | Alcatel Sa | Noise filtering method in voice communication apparatus, involves controlling overestimation factor and background noise variable in transfer function of wiener filter based on ratio of speech and noise signal |
KR100413797B1 (en) * | 2001-08-23 | 2003-12-31 | 삼성전자주식회사 | Speech signal compensation method and the apparatus thereof |
US6952460B1 (en) * | 2001-09-26 | 2005-10-04 | L-3 Communications Corporation | Efficient space-time adaptive processing (STAP) filter for global positioning system (GPS) receivers |
US8098844B2 (en) * | 2002-02-05 | 2012-01-17 | Mh Acoustics, Llc | Dual-microphone spatial noise suppression |
KR100446626B1 (en) * | 2002-03-28 | 2004-09-04 | 삼성전자주식회사 | Noise suppression method and apparatus |
KR20040014688A (en) * | 2002-08-10 | 2004-02-18 | 주식회사 엑스텔테크놀러지 | Apparatus and Method for suppressing noise in voice telecommunication terminal |
US7092529B2 (en) * | 2002-11-01 | 2006-08-15 | Nanyang Technological University | Adaptive control system for noise cancellation |
US6874796B2 (en) * | 2002-12-04 | 2005-04-05 | George A. Mercurio | Sulky with buck-bar |
US7039200B2 (en) * | 2003-03-31 | 2006-05-02 | Microsoft Corporation | System and process for time delay estimation in the presence of correlated noise and reverberation |
US20060184361A1 (en) * | 2003-04-08 | 2006-08-17 | Markus Lieb | Method and apparatus for reducing an interference noise signal fraction in a microphone signal |
KR100636048B1 (en) * | 2004-10-28 | 2006-10-20 | 한국과학기술연구원 | Mobile communication terminal and method for generating a ring signal of changing frequency characteristic according to background noise characteristics |
US7983720B2 (en) * | 2004-12-22 | 2011-07-19 | Broadcom Corporation | Wireless telephone with adaptive microphone array |
US20070116300A1 (en) * | 2004-12-22 | 2007-05-24 | Broadcom Corporation | Channel decoding for wireless telephones with multiple microphones and multiple description transmission |
US20060147063A1 (en) * | 2004-12-22 | 2006-07-06 | Broadcom Corporation | Echo cancellation in telephones with multiple microphones |
US8509703B2 (en) * | 2004-12-22 | 2013-08-13 | Broadcom Corporation | Wireless telephone with multiple microphones and multiple description transmission |
US20060133621A1 (en) * | 2004-12-22 | 2006-06-22 | Broadcom Corporation | Wireless telephone having multiple microphones |
KR20070078171A (en) * | 2006-01-26 | 2007-07-31 | 삼성전자주식회사 | Apparatus and method for noise reduction using snr-dependent suppression rate control |
US7877255B2 (en) * | 2006-03-31 | 2011-01-25 | Voice Signal Technologies, Inc. | Speech recognition using channel verification |
ATE430975T1 (en) * | 2006-07-10 | 2009-05-15 | Harman Becker Automotive Sys | REDUCING BACKGROUND NOISE IN HANDS-FREE SYSTEMS |
US8428661B2 (en) * | 2007-10-30 | 2013-04-23 | Broadcom Corporation | Speech intelligibility in telephones with multiple microphones |
WO2009076523A1 (en) * | 2007-12-11 | 2009-06-18 | Andrea Electronics Corporation | Adaptive filtering in a sensor array system |
US9392360B2 (en) | 2007-12-11 | 2016-07-12 | Andrea Electronics Corporation | Steerable sensor array system with video input |
KR101475864B1 (en) * | 2008-11-13 | 2014-12-23 | 삼성전자 주식회사 | Apparatus and method for eliminating noise |
PL2478519T3 (en) | 2009-10-21 | 2013-07-31 | Fraunhofer Ges Forschung | Reverberator and method for reverberating an audio signal |
CN101740036B (en) * | 2009-12-14 | 2012-07-04 | 华为终端有限公司 | Method and device for automatically adjusting call volume |
US9435873B2 (en) | 2011-07-14 | 2016-09-06 | Microsoft Technology Licensing, Llc | Sound source localization using phase spectrum |
DE102011086728B4 (en) | 2011-11-21 | 2014-06-05 | Siemens Medical Instruments Pte. Ltd. | Hearing apparatus with a device for reducing a microphone noise and method for reducing a microphone noise |
JP6635674B2 (en) * | 2015-05-11 | 2020-01-29 | キヤノン株式会社 | Measuring device, measuring method and program |
CN105472137A (en) * | 2015-11-19 | 2016-04-06 | 广东小天才科技有限公司 | Method and device for adjusting call volume |
-
1994
- 1994-12-01 EP EP95900251A patent/EP0682801B1/en not_active Expired - Lifetime
- 1994-12-01 WO PCT/IB1994/000377 patent/WO1995016259A1/en active IP Right Grant
- 1994-12-01 JP JP51607095A patent/JP3565226B2/en not_active Expired - Fee Related
- 1994-12-01 DE DE69420705T patent/DE69420705T2/en not_active Expired - Fee Related
- 1994-12-01 KR KR1019950703325A patent/KR100316116B1/en not_active IP Right Cessation
- 1994-12-01 SG SG1996009566A patent/SG49334A1/en unknown
- 1994-12-06 US US08/350,357 patent/US5610991A/en not_active Expired - Lifetime
Non-Patent Citations (4)
Title |
---|
36th IEEE Vehicular Technology Conference, May 22, pp. 72-76, see page 73: "Background Acoustic Noise Reduction in Mobile Telephony", R.A. GOUBRAN et al. * |
International Conference on Acoustics, Speech and Signal Processing, April 11-14, 1988, pp 2578-2581 (cited in the application), see pages 2578-2580, part IV and V, eqation (14); fig 1: "A Microphone Array with Adaptive Post-Filtering for Noise Reduction in Reverberant Rooms", R. ZELINSKI. * |
Proc. of International Digital Signal Processing Conference, Sept 4-6, 1991, pp. 223-228 (cited in the application), see page 224, equations (5)-(7); page 226, section 3.3; fig 1: "Enhancement of Speech Signals Using Microphone Arrays", K. KROSCHEL. * |
Proceedings VLSI and Computer Peripherals: VLSI and Microelectronic Applications in Intelligent Peripherals and their Interconnection Networks, IEEE 1989, pp. 2-82 - 2-87, see pp. 2-83 - 2-85: "Methods for Noise Reduction Applied to Speech Input Systems", K. KROSCHEL. * |
Cited By (27)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1997022116A2 (en) * | 1995-12-12 | 1997-06-19 | Nokia Mobile Phones Limited | A noise suppressor and method for suppressing background noise in noisy speech, and a mobile station |
WO1997022116A3 (en) * | 1995-12-12 | 1997-07-31 | Nokia Mobile Phones Ltd | A noise suppressor and method for suppressing background noise in noisy speech, and a mobile station |
EP0790599A1 (en) * | 1995-12-12 | 1997-08-20 | Nokia Mobile Phones Ltd. | A noise suppressor and method for suppressing background noise in noisy speech, and a mobile station |
US5839101A (en) * | 1995-12-12 | 1998-11-17 | Nokia Mobile Phones Ltd. | Noise suppressor and method for suppressing background noise in noisy speech, and a mobile station |
WO1997023068A2 (en) * | 1995-12-15 | 1997-06-26 | Philips Electronic N.V. | An adaptive noise cancelling arrangement, a noise reduction system and a transceiver |
WO1997023068A3 (en) * | 1995-12-15 | 1997-08-14 | Philips Electronic N V | An adaptive noise cancelling arrangement, a noise reduction system and a transceiver |
US5740256A (en) * | 1995-12-15 | 1998-04-14 | U.S. Philips Corporation | Adaptive noise cancelling arrangement, a noise reduction system and a transceiver |
WO1998003965A1 (en) * | 1996-07-19 | 1998-01-29 | Daimler-Benz Ag | Method of reducing voice signal interference |
US6687669B1 (en) | 1996-07-19 | 2004-02-03 | Schroegmeier Peter | Method of reducing voice signal interference |
EP0822538A1 (en) * | 1996-07-30 | 1998-02-04 | Atr Human Information Processing Research Laboratories | Method of transforming periodic signal using smoothed spectrogram, method of transforming sound using phasing component and method of analyzing signal using optimum interpolation function |
US6115684A (en) * | 1996-07-30 | 2000-09-05 | Atr Human Information Processing Research Laboratories | Method of transforming periodic signal using smoothed spectrogram, method of transforming sound using phasing component and method of analyzing signal using optimum interpolation function |
EP0998720A2 (en) * | 1997-07-31 | 2000-05-10 | The Regents Of The University Of California | Apparatus and methods for image and signal processing |
EP0998720A4 (en) * | 1997-07-31 | 2005-03-23 | Univ California | Apparatus and methods for image and signal processing |
DE19747885A1 (en) * | 1997-10-30 | 1999-05-06 | Daimler Chrysler Ag | Process for the reduction of acoustic signal interference using the adaptive filter method of spectral subtraction |
DE19747885B4 (en) * | 1997-10-30 | 2009-04-23 | Harman Becker Automotive Systems Gmbh | Method for reducing interference of acoustic signals by means of the adaptive filter method of spectral subtraction |
WO1999027522A2 (en) * | 1997-11-22 | 1999-06-03 | Koninklijke Philips Electronics N.V. | Audio processing arrangement with multiple sources |
CN1115663C (en) * | 1997-11-22 | 2003-07-23 | 皇家菲利浦电子有限公司 | Audio processing arrangement with multiple sources |
WO1999027522A3 (en) * | 1997-11-22 | 1999-08-12 | Koninkl Philips Electronics Nv | Audio processing arrangement with multiple sources |
WO2003067922A2 (en) | 2002-02-05 | 2003-08-14 | Mh Acoustics, Llc | Reducing noise in audio systems |
US7171008B2 (en) | 2002-02-05 | 2007-01-30 | Mh Acoustics, Llc | Reducing noise in audio systems |
WO2003067922A3 (en) * | 2002-02-05 | 2004-03-11 | Mh Acoustics Llc | Reducing noise in audio systems |
US8942387B2 (en) | 2002-02-05 | 2015-01-27 | Mh Acoustics Llc | Noise-reducing directional microphone array |
US9301049B2 (en) | 2002-02-05 | 2016-03-29 | Mh Acoustics Llc | Noise-reducing directional microphone array |
US10117019B2 (en) | 2002-02-05 | 2018-10-30 | Mh Acoustics Llc | Noise-reducing directional microphone array |
WO2004032347A1 (en) * | 2002-08-28 | 2004-04-15 | Agency For Science Technology And Research | Receiver having a signal reconstructing section for noise reduction, system and method thereof |
US8218694B2 (en) | 2004-08-03 | 2012-07-10 | Agency For Science, Technology And Research | Method for transmitting a digital signal, method for receiving a digital signal, transmitter and receiver |
US11696083B2 (en) | 2020-10-21 | 2023-07-04 | Mh Acoustics, Llc | In-situ calibration of microphone arrays |
Also Published As
Publication number | Publication date |
---|---|
EP0682801A1 (en) | 1995-11-22 |
JPH08506667A (en) | 1996-07-16 |
KR960701427A (en) | 1996-02-24 |
DE69420705T2 (en) | 2000-07-06 |
KR100316116B1 (en) | 2002-02-28 |
SG49334A1 (en) | 1998-05-18 |
DE69420705D1 (en) | 1999-10-21 |
JP3565226B2 (en) | 2004-09-15 |
EP0682801B1 (en) | 1999-09-15 |
US5610991A (en) | 1997-03-11 |
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